Type 1 Excludes
- bronchiectasis (J47.-)
- chronic bronchitis NOS (J42)
- chronic simple and mucopurulent bronchitis (J41.-)
- chronic tracheitis (J42)
- chronic tracheobronchitis (J42)
- emphysema without chronic bronchitis (J43.-)
Includes
- asthma with chronic obstructive pulmonary disease
- chronic asthmatic (obstructive) bronchitis
- chronic bronchitis with airway obstruction
- chronic bronchitis with emphysema
- chronic emphysematous bronchitis
- chronic obstructive asthma
- chronic obstructive bronchitis
- chronic obstructive tracheobronchitis